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+//
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+// NCViewerRichdocument.swift
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+// Nextcloud
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+//
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+// Created by Marino Faggiana on 12/12/19.
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+// Copyright © 2018 Marino Faggiana. All rights reserved.
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+//
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+// Author Marino Faggiana <marino.faggiana@nextcloud.com>
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+//
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+// This program is free software: you can redistribute it and/or modify
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+// it under the terms of the GNU General Public License as published by
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+// the Free Software Foundation, either version 3 of the License, or
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+// (at your option) any later version.
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+//
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+// This program is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU General Public License for more details.
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+//
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+// You should have received a copy of the GNU General Public License
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+// along with this program. If not, see <http://www.gnu.org/licenses/>.
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+//
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+
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+import Foundation
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+
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+class NCViewerNextcloudText: WKWebView, WKNavigationDelegate, WKScriptMessageHandler, NCSelectDelegate {
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+
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+ let appDelegate = UIApplication.shared.delegate as! AppDelegate
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+ var detail: CCDetail!
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+ @objc var metadata: tableMetadata!
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+ var documentInteractionController: UIDocumentInteractionController!
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+
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+ override init(frame: CGRect, configuration: WKWebViewConfiguration) {
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+ super.init(frame: frame, configuration: configuration)
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+
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+ let contentController = configuration.userContentController
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+ contentController.add(self, name: "RichDocumentsMobileInterface")
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+
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+ autoresizingMask = [.flexibleWidth, .flexibleHeight]
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+ navigationDelegate = self
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+ }
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+
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+ required init?(coder: NSCoder) {
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+ super.init(coder: coder)
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+ }
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+
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+ @objc func viewRichDocumentAt(_ link: String, detail: CCDetail, metadata: tableMetadata) {
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+
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+ self.detail = detail
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+ self.metadata = metadata
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+
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+ NotificationCenter.default.addObserver(self, selector: #selector(keyboardDidShow), name: UIResponder.keyboardDidShowNotification, object: nil)
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+ NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: UIResponder.keyboardWillHideNotification, object: nil)
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+
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+ if (UIDevice.current.userInterfaceIdiom == .phone) {
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+ detail.navigationController?.setNavigationBarHidden(true, animated: false)
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+ }
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+
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+ var request = URLRequest(url: URL(string: link)!)
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+ request.addValue("true", forHTTPHeaderField: "OCS-APIRequest")
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+ let language = NSLocale.preferredLanguages[0] as String
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+ request.addValue(language, forHTTPHeaderField: "Accept-Language")
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+
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+ let userAgent : String = CCUtility.getUserAgent()
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+ customUserAgent = userAgent
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+ load(request)
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+ }
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+
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+ @objc func keyboardDidShow(notification: Notification) {
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+ guard let info = notification.userInfo else { return }
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+ guard let frameInfo = info[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue else { return }
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+ let keyboardFrame = frameInfo.cgRectValue
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+ //print("keyboardFrame: \(keyboardFrame)")
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+ frame.size.height = detail.view.bounds.height - keyboardFrame.size.height
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+ }
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+
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+ @objc func keyboardWillHide(notification: Notification) {
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+ frame = detail.view.bounds
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+ }
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+
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+ //MARK: -
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+
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+ public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
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+
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+ if (message.name == "RichDocumentsMobileInterface") {
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+
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+ if message.body as? String == "close" {
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+
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+ removeFromSuperview()
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+
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+ detail.navigationController?.popViewController(animated: true)
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+ detail.navigationController?.navigationBar.topItem?.title = ""
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+ }
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+
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+ if message.body as? String == "insertGraphic" {
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+
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+ let storyboard = UIStoryboard(name: "NCSelect", bundle: nil)
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+ let navigationController = storyboard.instantiateInitialViewController() as! UINavigationController
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+ let viewController = navigationController.topViewController as! NCSelect
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+
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+ viewController.delegate = self
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+ viewController.hideButtonCreateFolder = true
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+ viewController.selectFile = true
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+ viewController.includeDirectoryE2EEncryption = false
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+ viewController.includeImages = true
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+ viewController.type = ""
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+ viewController.layoutViewSelect = k_layout_view_richdocument
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+
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+ navigationController.modalPresentationStyle = UIModalPresentationStyle.fullScreen
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+ self.detail.present(navigationController, animated: true, completion: nil)
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+ }
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+
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+ if message.body as? String == "share" {
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+ NCMainCommon.sharedInstance.openShare(ViewController: detail, metadata: metadata, indexPage: 2)
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+ }
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+
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+ if let param = message.body as? Dictionary<AnyHashable,Any> {
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+ if param["MessageName"] as? String == "downloadAs" {
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+ if let values = param["Values"] as? Dictionary<AnyHashable,Any> {
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+ guard let type = values["Type"] as? String else {
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+ return
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+ }
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+ guard let urlString = values["URL"] as? String else {
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+ return
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+ }
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+ guard let url = URL(string: urlString) else {
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+ return
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+ }
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+ guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
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+ return
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+ }
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+
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+ let filename = (components.path as NSString).lastPathComponent
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+ let fileNameLocalPath = CCUtility.getDirectoryUserData() + "/" + filename
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+
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+ if type == "print" {
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+ NCUtility.sharedInstance.startActivityIndicator(view: self, bottom: 0)
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+ }
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+
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+ _ = OCNetworking.sharedManager()?.download(withAccount: metadata.account, url: urlString, fileNameLocalPath: fileNameLocalPath, encode:false, completion: { (account, message, errorCode) in
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+
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+ if errorCode == 0 && account == self.metadata.account {
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+ if type == "print" {
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+ NCUtility.sharedInstance.stopActivityIndicator()
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+ let pic = UIPrintInteractionController.shared
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+ let printInfo = UIPrintInfo.printInfo()
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+ printInfo.outputType = UIPrintInfo.OutputType.general
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+ printInfo.orientation = UIPrintInfo.Orientation.portrait
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+ printInfo.jobName = "Document"
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+ pic.printInfo = printInfo
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+ pic.printingItem = URL(fileURLWithPath: fileNameLocalPath)
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+ pic.present(from: CGRect.zero, in: self, animated: true, completionHandler: { (pci, completed, error) in
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+ // end.
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+ })
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+ } else {
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+ self.documentInteractionController = UIDocumentInteractionController()
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+ self.documentInteractionController.url = URL(fileURLWithPath: fileNameLocalPath)
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+ self.documentInteractionController.presentOptionsMenu(from: self.appDelegate.window.rootViewController!.view.bounds, in: self.appDelegate.window.rootViewController!.view, animated: true)
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+ }
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+ } else {
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+ self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: errorCode)
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+ }
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+ })
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+ }
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+ } else if param["MessageName"] as? String == "fileRename" {
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+ if let values = param["Values"] as? Dictionary<AnyHashable,Any> {
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+ guard let newName = values["NewName"] as? String else {
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+ return
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+ }
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+ metadata.fileName = newName
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+ metadata.fileNameView = newName
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+ }
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+ }
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+ }
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+
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+ if message.body as? String == "documentLoaded" {
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+ print("documentLoaded")
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+ }
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+
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+ if message.body as? String == "paste" {
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+ self.paste(self)
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+ }
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+ }
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+ }
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+
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+ //MARK: -
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+
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+ @objc func grabFocus() {
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+
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+ let functionJS = "OCA.RichDocuments.documentsMain.postGrabFocus()"
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+ evaluateJavaScript(functionJS) { (result, error) in }
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+ }
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+
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+ //MARK: -
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+
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+ func dismissSelect(serverUrl: String?, metadata: tableMetadata?, type: String) {
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+
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+ if serverUrl != nil && metadata != nil {
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+
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+ OCNetworking.sharedManager().createAssetRichdocuments(withAccount: metadata?.account, fileName: metadata?.fileName, serverUrl: serverUrl, completion: { (account, url, message, errorCode) in
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+ if errorCode == 0 && account == self.appDelegate.activeAccount {
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+ let functionJS = "OCA.RichDocuments.documentsMain.postAsset('\(metadata!.fileNameView)', '\(url!)')"
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+ self.evaluateJavaScript(functionJS, completionHandler: { (result, error) in })
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+ } else if errorCode != 0 {
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+ self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError))
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+ } else {
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+ print("[LOG] It has been changed user during networking process, error.")
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+ }
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+ })
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+ }
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+ }
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+
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+ func select(_ metadata: tableMetadata!, serverUrl: String!) {
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+
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+ OCNetworking.sharedManager().createAssetRichdocuments(withAccount: metadata?.account, fileName: metadata?.fileName, serverUrl: serverUrl, completion: { (account, url, message, errorCode) in
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+ if errorCode == 0 && account == self.appDelegate.activeAccount {
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+ let functionJS = "OCA.RichDocuments.documentsMain.postAsset('\(metadata.fileNameView)', '\(url!)')"
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+ self.evaluateJavaScript(functionJS, completionHandler: { (result, error) in })
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+ } else if errorCode != 0 {
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+ self.appDelegate.messageNotification("_error_", description: message, visible: true, delay: TimeInterval(k_dismissAfterSecond), type: TWMessageBarMessageType.error, errorCode: Int(k_CCErrorInternalError))
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+ } else {
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+ print("[LOG] It has been changed user during networking process, error.")
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+ }
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+ })
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+ }
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+
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+
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+ //MARK: -
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+
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+ public func webView(_ webView: WKWebView, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping (URLSession.AuthChallengeDisposition, URLCredential?) -> Void) {
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+ if let serverTrust = challenge.protectionSpace.serverTrust {
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+ completionHandler(Foundation.URLSession.AuthChallengeDisposition.useCredential, URLCredential(trust: serverTrust))
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+ } else {
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+ completionHandler(URLSession.AuthChallengeDisposition.useCredential, nil);
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+ }
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+ }
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+
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+ public func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
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+ print("didStartProvisionalNavigation");
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+ }
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+
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+ public func webView(_ webView: WKWebView, didReceiveServerRedirectForProvisionalNavigation navigation: WKNavigation!) {
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+ print("didReceiveServerRedirectForProvisionalNavigation");
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+ }
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+
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+ public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
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+ NCUtility.sharedInstance.stopActivityIndicator()
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+ }
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+}
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marinofaggiana